.header{
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 2.5rem;
    background-color: #46b8da;
    z-index: 10000;
}
.header h1{
    text-align: center;
    line-height: 2.6rem;
    font-size: 1.2rem;
    font-weight: 200;
    color: #fff;
}
.header .icon{
    position: absolute;
    top: .3rem;
    right: .5rem;
    font-size: 2rem;
    color: #fff;
}